@color:red;

ul{
    >li{
        a{
            i{
                color: @color;
            }
        }
    }
}

div{
    font-size: 20px;
    p{
        font-weight: bolder;
    }
    >a{
        text-decoration: none;
    }
    h1{
        color: red;
    }
    ~h4{
        color:blue;
    }
    +h3{
        color: green;
    }
}

.box{
    @cyan:cyan;
    border: 1px solid @cyan;
    p,span,>h1,+h2,~h3,h4,h5{
        font-weight: normal;
        color: @cyan;
    }

}

.body{

    // :hover{
    //     color: green;
    // }
    font-size:30px;
    p:first-child{
        color:red;
    }
    >p::after{
        content:"测试数据";
    }
    p:hover{
        color:blue;
    }
}

.content{
    color:red;
    p span{
        font-weight: bolder;
    }
}
.nav .btn{
    font-size: 20px;
}

.a,.b{
    color:blue;
    p{
        font-size: 20px;
    }
    .c,.d{
        font-weight: bold;
    }
}


